Product Core Brief

• Brand: GE Fanuc / Emerson Automation
• Model: IC695PSD140E
• Series: PACSystems RX3i
• Core Function: 40W multipurpose DC power supply delivering regulated multi-rail power to RX3i universal backplane logic modules plus auxiliary 24VDC output; supports load sharing and N+1 redundant parallel operation for high availability control systems
• Type: Single-slot rack-mounted backplane power supply
• Condition: New Original (New Surplus)
• Status: ⚠️ Discontinued OEM production; limited surplus inventory
• Key Spec Highlights: 18–30VDC wide DC input, total 40W rated output, multi-rail backplane power + auxiliary 24VDC, hot-swap supported, four front-panel fault/status LEDs, parallel redundancy capable

Key Technical Specifications

• Nominal Input: 24 VDC; operating input range 18–30 VDC
• Maximum Input Power: 60 W
• Total Rated Output Power: 40 W maximum
• Output Rails · +5.1 VDC (backplane logic) · +3.3 VDC (backplane logic) · Auxiliary +24 VDC for external loads / relay modules
• Backplane Occupancy: 1 slot on RX3i universal backplane
• Maximum Parallel Quantity: Up to four units in one chassis for load sharing / redundancy
• Front Panel Indicators: POWER, P/S FAULT, OVER TEMP, OVERLOAD diagnostic LEDs
• Integrated Controls: Front-mounted on/off switch (controls outputs only, not input power)
• Protections: Overload, overvoltage, short-circuit, input reverse polarity protection
• Hot Swap: Officially supported for planned maintenance
• Operating Temperature: 0 °C to +60 °C (output thermal derating above 40°C)
• Storage Temperature: −40 °C to +85 °C
• Humidity: 5%–95% non‑condensing
• Wiring Terminals: Accepts 14 AWG – 22 AWG copper conductors
• Certifications: UL, CE, Class I Division 2 hazardous location compliance
• Compatible Hardware: Full IC695 series RX3i CPU, communications and I/O modules

Product Introduction

Mission-critical manufacturing, water treatment and power auxiliary control systems demand stable backplane power and options for redundant power architectures. GE provides multi-rail regulated power for RX3i universal backplane modules, plus an isolated auxiliary 24VDC output to drive external relay assemblies.

This unit enables N+1 redundant configurations by supporting load sharing across multiple power supplies in a single rack. Comprehensive fault monitoring feeds alarm status to the RX3i CPU fault table, allowing operators to respond to overload or over-temperature conditions before unplanned shutdowns occur. Standard single-slot form factor permits direct drop-in spare exchange during maintenance windows.

Key Selling Points & Differentiators

1. GE supports parallel load sharing and N+1 redundancy, eliminating single point of power failure for critical control racks.
2. Built-in auxiliary 24VDC output reduces requirement for separate external power supplies for field relay hardware within the control cabinet.
3. Every unit completes full bench validation on an RX3i test chassis; load simulation, LED diagnostics and hot-swap functionality verified prior to shipment. Signed test documentation available on formal request. Warranty runs 12 months post delivery.
4. Hot-swap capability allows module replacement without full rack power down, minimizing production downtime during planned maintenance.
5. Not recommended for RX7i, Series 90‑70 or Series 90‑30 racks. Designed exclusively for RX3i universal backplane architecture.
6. Four dedicated diagnostic LEDs feed fault data to the PLC application logic, enabling remote monitoring of power supply health via SCADA or HMI.

Quality Transparency SOP

• Incoming Verification: Serial traceability validation, anti-counterfeit visual inspection, terminal block and switch hardware integrity cross-check.
• Live Bench Test: Dedicated RX3i test rack, power-on self-test, variable load simulation across all output rails, fault alarm verification, continuous 24-hour thermal soak cycling.
• Electrical Tests: Input voltage range sweep, overload shutdown trigger testing, chassis ground continuity verification.
• Hardware Verification: Confirm LED array and output switch operate per datasheet; no unauthorized component rework performed.
• Final QC & Packaging: Anti-static shielding, shock-dampened transit carton, signed QC Pass label. Test images and logs available on request. No zero-failure performance guarantee.

Technical Risk Avoidance Section

Thermal Derating Risk Risk: Operating continuously above 40°C requires reduced total rack load; full 40W capacity cannot be maintained at maximum ambient temperature. Prevention: Calculate total chassis power consumption and apply thermal derating rules for high-temperature cabinets. Field note: Multiple manufacturing control racks experienced intermittent CPU resets after operators populated racks to full load without accounting for elevated cabinet temperature.

Redundancy Wiring Risk Risk: Improper input feed wiring for parallel power supplies creates cross-feeding and ground loop noise. Prevention: Use separate upstream circuit breakers for each redundant power supply input.

ESD Damage Risk Risk: Unprotected handling damages internal switching power circuitry without immediate visible fault indicators. Prevention: Use grounded wrist straps; keep the module sealed inside anti-static packaging until rack insertion.

Slot Placement & Load Budget Risk Risk: Overpopulating the RX3i chassis exceeds combined power supply output capacity. Prevention: Sum backplane power draw of all installed modules and maintain minimum 15% power headroom.

Critical Summary: Confirm chassis platform and total system power budget before procurement. This power supply cannot operate within RX7i or legacy Series 90‑70 racks and is not interchangeable with higher-wattage IC695PSD180 variants without load recalculation.